A cleaner helps keep things tidy. 

A cleaner helps keep places tidy. 
They clean many things. Some clean houses. Others clean big offices. Some even clean trains. 
Many cleaners work at night. They work when people leave. This helps the rooms stay neat.
Some people clean for a job. Others clean to help others. This is called volunteer work.
Cleaning keeps our world neat. It is a very big job.
A cleaner is a person who keeps spaces tidy. 


Many cleaners work when other people are away. They might clean an office at night. This keeps the workspace ready for the next day. Some jobs can be hard work. It can be tiring to sweep or mop all day. Some cleaners also do small repairs. They might change a light bulb or fix a leak. In the United States, a janitor earned about $16.84 per hour in 2023. 
A cleaner is a person who keeps spaces tidy and safe. 

Cleaning work happens in many different ways. Some workers specialize in just one specific task. For example, a window cleaner uses ladders and safety belts. They clean glass on the inside and outside of buildings. A carpet cleaner uses special tools to remove stains. Even train cleaners have a specific job to do. They tidy up the inside of trains and empty the bins. 
History shows us that these roles have existed for a long time. The word janitor comes from a Latin word. That word is "ianitor," which means a doorkeeper. It comes from "ianua," which means a door or a gate. The first time we see the word used for a building caretaker was in 1708. 
There are many facts about the cleaning industry today. In the United States, a janitor earned a median pay of $16.84 per hour in 2023. Some very specialized jobs pay much more. For instance, crime scene cleaners can earn over $700 an hour. In the Netherlands, the number of cleaning companies grew quickly. They went from 5,000 companies in 2003 to 8,000 in 2008. Many companies now hire outside contractors to do the cleaning work.
Cleaning is a job you see everywhere in your life. You might see a cleaner sweeping a parking garage. You might see someone cleaning a footpath in a city. Many cleaners work at night when buildings are empty. This ensures that offices are ready for people the next morning. Some people even clean for free as volunteers. This helps keep our forests and communities beautiful for everyone.
A cleaner is a professional worker tasked with cleaning specific spaces. These workers are often called cleaning operatives. They may work in domestic settings like homes or industrial settings like large offices. In the United States and Canada, people who clean and maintain buildings are often called janitors or custodians. They might also be known as porters, caretakers, or facility operators. 
Cleaning work follows many different processes and specialized steps. Most cleaning operatives work when a space is empty. For example, office cleaners often work at night. This allows them to clean while people are not using the rooms. The work can be physically demanding and sometimes involves unpleasant tasks. 
There are many distinct types of cleaning specialists. Commercial cleaners focus on office spaces, while residential cleaners work in private houses. Some workers focus on very specific objects. Window cleaners use ladders and safety belts to clean glass surfaces. 
History shows that the concept of building care is quite old. The word "janitor" comes from the Latin word "ianitor," which means a doorkeeper. This word itself comes from "ianua," meaning a door or entrance. The first recorded use of "janitor" to describe a building caretaker was in 1708. 
Cleaning is a major global industry with significant economic data. In the United States, the median pay for a janitor was $16.84 per hour in 2023. Some highly specialized roles pay much higher rates. For instance, crime scene cleaners can earn between $300 and over $700 per hour. The industry also shows rapid growth in certain regions. In the Netherlands, the number of cleaning companies rose from 5,000 in 2003 to 8,000 in 2008. This shows how much demand there is for professional cleaning services.
Many organizations choose to use outsourcing for their cleaning needs. Outsourcing means hiring an outside contractor to handle the work. This is common because cleaning tasks are often standardized. It is easy to write a clear contract for cleaning services. Organizations also use contractors to save money on salaries and benefits. 
Cleaning connects to many different parts of society and the economy. It is a vital part of public health and building maintenance. It also intersects with labor and migration patterns. In the United States, between 17% and 23% of the illegal immigrant population works in the cleaning industry. This sector grows at a rate of about 0.5% to 0.3% per year. Cleaning can also be done through community service or volunteer work. People might clean a forest to remove garbage for the good of the environment.
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